6 SEEDS AND PLANTS IMPOKTED. 
the noted Sarepta mustard, which should be called to the attention 
of mustard growers in this country because of its unusual strength 
when grown on rich soil in a hot, dry climate; No. 32417, a wild 
apple from near Sarepta, of possible value as a drought-resistant 
shrub or medium-sized tree for breeding purposes or for cultivation 
in the arid Southwest; No. 32424, a hybrid plum (Prunus spinosa X 
Prunus domestica), one of Mr. Mijurin's hybrids; No. 32662, a cross 
between Amygdalus davidiana and Amygdalus nana, two very hardy 
types hybridized by Mr. Mijurin and producing a very floriferous, 
ornamental, hardy form; Nos. 32664 and 32665, two varieties of 
Prunus fruticosa by the same hybridizer; No. 32667, a golden currant 
by the same breeder from the region of Kozlov, noted for its severe 
winter climate; No. 32668, a hybrid rose of exceptional hardiness, 
representing Rosa spinosissima and Rosa rugosa, by the same hybrid- 
izer; Nos. 32669 to 32673, five hybrid plums suited particularly 
for the colder sections of the country, being hybrids of Prunus 
spinosa and Prunus domestica; No. 32674, a remarkable cherry, 
a variety of Prunus avium, originated by Mr. Mijurin and named 
" Queen of the North," which is considered by Russian horticulturists 
to be a decided acquisition to hardy fruit trees, growing as it does 
where other cherries do very poorly; Nos. 32675 and 32676, two of 
Mr. Mijurin's quinces, which are presumably withstanding a winter 
temperature of —35° C. ( — 31° F.) and have succeeded at Kozlov 
when other varieties have been killed; Nos. 32757 and 32758, two 
forms of an east Siberian wild plum (Prunus ussuriensis) from 
Souchodole, Russia, the fruits of one of which are said to improve 
in flavor by being frozen; No. 32762, Ribes procumbens, from the Altai 
Mountains, a species of large-fruited currant which Mr. Meyer recom- 
mends for trial in Alaska; No. 32763, Clematis tangutica, a yellow- 
flowered climbing clematis which Mr. Mijurin reports having received 
from Tibet; No. 32764, a remarkable, new yellow lily, the bulbs of 
which are reported to weigh as much as 6 pounds apiece, another of 
Mr. Mijurin's originations; No. 32829, Ulmus densa, an ornamental elm 
capable of standing great heat and a considerable amount of alkali, 
collected by Mr. Meyer in the oasis of Merv, Russian Turkestan; 
No. 32831, another species of elm which will probably make a good 
shade and avenue tree in Texas, Arizona, and New Mexico; Nos. 
32832 to 32836, five varieties of apricot from the oasis of Merv; 
No. 33077, seeds of Larix sibirica, from the Altai Mountains, one of 
the most rapid-growing conifers, capable of withstanding our north- 
ern climate; No. 33078, a Siberian spruce (Picea obovata); and No. 
33079, seeds of the Siberian pine (Pinus cembra). 
Mr. Piper's collections in India include the following interesting 
possibilities: No. 32430, Rytilix granularis, an annual grass after the 
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